* {
	margin: 0;
	padding: 0;
}

.w {
	width: 1200px;
	margin: auto;
}

body {
	background-color: #f3f5f7;
	/* height: 3000px; */
}

li {
	list-style: none;
}

a {
	text-decoration: none;
}

.clearfix:before,
.clearfix:after {
	content: '';
	display: table;
}
.clearfix:after {
	clear: both;
}
.clearfix {
	*zoom: 1;
}

.header {
	height: 42px;
	/* background-color: pink; */
	margin: 30px auto;
}

.logo {
	float: left;
	width: 198px;
	height: 42px;
	/* background-color: purple; */
}

.nav {
	float: left;
	margin-left: 60px;
}

.nav ul li {
	float: left;
	margin: 0 15px;
}

.nav ul li a {
	display: block;
	height: 42px;
	padding: 0 10px;
	line-height: 42px;
	font-size: 18px;
	font-weight: 300;
	color: #050505;
}

.nav ul li a:hover {
	border-bottom: 2px solid #00a4ff;
	color: #00a4ff;
}

.search {
	float: left;
	width: 412px;
	height: 42px;
	/* background-color: skyblue; */
	margin-left: 70px;
}

.search input {
	width: 345px;
	height: 40px;
	border: 1px solid #00a4ff;
	border-right: 0;
	color: #bfbfbf;
	font-size: 14px;
	padding-left: 15px;
}

.search button {
	float: right;
	width: 51px;
	height: 42px;
	border: 0;
	background: url(images/search.png);
}

.user {
	float: right;
	line-height: 42px;
	margin-right: 30px;
	font-size: 14px;
	color: #666666;
}

.banner {
	height: 421px;
	background-color: #1c036c;
}

.banner .w {
	height: 421px;
	background: url(images/banner2.png) no-repeat top center;
}

.subnav {
	float: left;
	width: 190px;
	height: 421px;
	background-color: rgba(0, 0, 0, 0.3);
}

.subnav ul li {
	height: 45px;
	line-height: 45px;
	padding: 0 20px;
}

.subnav ul li a {
	font-size: 14px;
	color: #fff;
}

.subnav ul li span {
	float: right;
}

.subnav ul li a:hover {
	color: #00a4ff;
}

.course {
	float: right;
	width: 230px;
	height: 300px;
	background-color: #fff;
	margin-top: 50px;
}

.course h2 {
	height: 48px;
	background-color: #9bceea;
	text-align: center;
	line-height: 48px;
	font-size: 18px;
	color: #fff;
}

.db {
	padding: 0 20px;
}
.db ul li {
	padding: 13px 0;
	border-bottom: 1px solid #ccc;
}
.db ul li h4 {
	font-size: 16px;
	color: #4e4e4e;
}

.db ul li p {
	font-size: 12px;
	color: #a5a5a5;
}

.db .more {
	display: block;
	height: 38px;
	border: 1px solid #00a4ff;
	margin-top: 5px;
	text-align: center;
	line-height: 38px;
	color: #00a4ff;
	font-size: 16px;
	font-weight: 700;
}

.goods {
	height: 60px;
	background-color: #fff;
	margin-top: 10px;
	box-shadow: 0 2px 3px 3px rgba(0, 0, 0, 0.1);
	line-height: 60px;
}
.goods h3 {
	float: left;
	margin-left: 30px;
	font-size: 16px;
	color: #00a4ff;
}

.goods ul {
	float: left;
	margin-left: 30px;
}

.goods ul li {
	float: left;
}
.goods ul li a {
	padding: 0 30px;
	font-size: 16px;
	color: #050505;
	border-left: 1px solid #ccc;
}

.mod {
	float: right;
	margin-right: 30px;
	font-size: 14px;
	color: #00a4ff;
}

.box {
	margin-top: 30px;
}

.box-hd {
	height: 45px;
}

.box-hd h3 {
	float: left;
	font-size: 20px;
	color: #494949;
}

.box-hd a {
	float: right;
	font-size: 12px;
	color: #a5a5a5;
	margin-top: 10px;
	margin-right: 30px;
}

.box-bd ul {
	width: 1225px;
}

.box-bd ul li {
	float: left;
	width: 228px;
	height: 270px;
	background-color: #fff;
	margin-right: 15px;
	margin-bottom: 15px;
}

.box-bd ul li img {
	width: 100%;
}

.box-bd ul li h4 {
	margin: 20px 20px 20px 25px;
	font-style: 14px;
	font-weight: 400;
	color: #050505;
}

.box-bd .info {
	margin: 0 20px 0 25px;
	font-size: 12px;
	color: #999999;
}

.box-bd .info span {
	color: #ff7c2d;
}

.footer {
	/* float: left;  */
	height: 415px;
	background-color: #fff;
}

.footer .w {
	padding-top: 35px;
}

.copyright {
	float: left;
}

.copyright p {
	font-size: 12px;
	color: #666;
	margin: 20px 0 15px 0;
}

.copyright .app {
	display: block;
	width: 118px;
	height: 33px;
	border: 1px solid #00a4ff;
	text-align: center;
	line-height: 33px;
	color: #00a4ff;
}

.links {
	float: right;
}

.links dl {
	float: left;
	margin-left: 100px;
}

.links dl dt {
	font-size: 16px;
	color: #333;
	margin-bottom: 5px;
}

.links dl dd a {
	color: #333;
	font-size: 12px;
}

.links dl dd a:hover {
	color: #00a4ff;
}
